n.优势；优越；权势
=ascendancy.
We use ascendency as a goal function or indicator of system performance. 我们利用优势为目标的功能或系统的性能指标。
To some, Richard's rapid ascendency to magic's forefront bespeaks a quintessential fairy tale. 对一些，理查的迅速优势到魔术的最前方预定一个精华童话。
